/* 全局样式 */
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Roboto', sans-serif;
    background: linear-gradient(135deg, #0000FF, #8A2BE2, #FF69B4, #00FFFF);
    background-size: 400% 400%;
    animation: gradient-animation 15s ease infinite;
    color: #FFFFFF;
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
  }

  @keyframes gradient-animation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
  }

  header {
    width: 100%;
    text-align: center;
    padding: 20px 0;
  }

  header h1 {
    font-size: 3rem;
    font-weight: bold;
    letter-spacing: 2px;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
  }

  .container {
    width: 100%;
    max-width: 1200px;
    background: rgba(0, 0, 0, 0.6);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
  }

  .reference-note {
    text-align: center;
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: #FFD700;
  }

  article {
    margin-bottom: 40px;
  }

  article h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: #FFFFFF;
    text-align: center;
  }

  article h3 {
    font-size: 2rem;
    margin-top: 30px;
    margin-bottom: 15px;
    color: #FFD700;
  }

  article p {
    font-size: 1.2rem;
    color: #D3D3D3;
    margin-bottom: 15px;
  }

  article pre {
    background: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    margin-bottom: 15px;
  }

  article code {
    font-family: 'Courier New', Courier, monospace;
    color: #00FFFF;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 4px;
    border-radius: 4px;
  }

  .images-gallery {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
    justify-content: center;
  }

  .images-gallery img {
    width: 100%;
    max-width: 320px;
    border-radius: 10px;
    transition: transform 0.3s ease;
  }

  .images-gallery img:hover {
    transform: scale(1.05);
  }

  .button {
    display: inline-block;
    background: #0000FF;
    color: #FFFFFF;
    padding: 15px 30px;
    border: none;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1rem;
    transition: background 0.3s ease, transform 0.3s ease;
    cursor: pointer;
  }

  .button:hover {
    background: #FF69B4;
    transform: scale(1.1);
    box-shadow: 0 0 15px rgba(255, 105, 180, 0.7);
  }

  @media (max-width: 1440px) {
    header h1 {
      font-size: 2.5rem;
    }

    .container {
      padding: 30px;
    }

    article h2 {
      font-size: 2rem;
    }

    article h3 {
      font-size: 1.8rem;
    }

    .button {
      padding: 12px 25px;
      font-size: 0.9rem;
    }
  }

  @media (max-width: 1200px) {
    .container {
      padding: 25px;
    }

    article h2 {
      font-size: 1.8rem;
    }

    article h3 {
      font-size: 1.6rem;
    }
  }

  @media (max-width: 1024px) {
    .images-gallery {
      flex-direction: column;
      align-items: center;
    }
  }

  @media (max-width: 768px) {
    header h1 {
      font-size: 2rem;
    }

    .container {
      padding: 20px;
    }

    article h2 {
      font-size: 1.5rem;
    }

    article h3 {
      font-size: 1.4rem;
    }

    .button {
      padding: 10px 20px;
      font-size: 0.8rem;
    }
  }

  @media (max-width: 480px) {
    article p, article code {
      font-size: 1rem;
    }

    .reference-note {
      font-size: 1rem;
    }
  }

  @media (max-width: 320px) {
    header h1 {
      font-size: 1.8rem;
    }

    .container {
      padding: 15px;
    }

    article h2 {
      font-size: 1.2rem;
    }

    article h3 {
      font-size: 1.2rem;
    }

    .button {
      padding: 8px 16px;
      font-size: 0.7rem;
    }
  }